EP 2031761 A1 20090304 - COMMUNICATION DEVICE AND ELECTRONIC APPARATUS USING THE SAME
Title (en)
COMMUNICATION DEVICE AND ELECTRONIC APPARATUS USING THE SAME
Title (de)
KOMMUNIKATIONSGERÄT UND ELEKTRONISCHER APPARAT DAFÜR
Title (fr)
DISPOSITIF DE COMMUNICATION ET APPAREIL ÉLECTRONIQUE L'UTILISANT
Publication
Application
Priority
- JP 2007061599 W 20070608
- JP 2006197903 A 20060720
Abstract (en)
In a communication device, a ground plane (18) disposed on the upper or lower surface of a board (12) or inside the board (12) includes a first ground region (20) disposed on a semiconductor circuit (13) and connected thereto, and a second ground region (21) disposed under an amplifier (14) and connected thereto. The first ground region (20) and the second ground region (21) do not overlap with each other.
IPC 8 full level
H03F 3/24 (2006.01); H04B 1/38 (2015.01); H05K 1/02 (2006.01)
CPC (source: EP US)
H05K 1/0216 (2013.01 - EP US); H05K 1/141 (2013.01 - EP US); H05K 1/0237 (2013.01 - EP US); H05K 1/181 (2013.01 - EP US); H05K 2201/093 (2013.01 - EP US); H05K 2201/09663 (2013.01 - EP US); H05K 2201/10371 (2013.01 - EP US); H05K 2201/10689 (2013.01 - EP US); H05K 2201/2018 (2013.01 - EP US); H05K 2203/1572 (2013.01 - EP US)
Citation (search report)
See references of WO 2008010359A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA HR MK RS
DOCDB simple family (publication)
EP 2031761 A1 20090304; CN 101490967 A 20090722; JP 2008028612 A 20080207; US 2009290315 A1 20091126; US 8014161 B2 20110906; WO 2008010359 A1 20080124
DOCDB simple family (application)
EP 07767067 A 20070608; CN 200780027576 A 20070608; JP 2006197903 A 20060720; JP 2007061599 W 20070608; US 37315407 A 20070608